<template>
  <div class="app-container">

    <!-- 搜索表单 -->
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="品牌名称" prop="name">
        <el-input
            v-model="queryParams.name"
            placeholder="请输入品牌名称"
            clearable
        />
        </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">查询</el-button>
        <el-button icon="Refresh" @click="resetQuery">清空</el-button>
      </el-form-item>
    </el-form>

    <!-- 功能按钮栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
            type="primary"
            plain
            icon="Plus"
            @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="success"
            plain
            icon="Edit"
            :disabled="single"
            @click="handleUpdate"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="danger"
            plain
            icon="Delete"
            :disabled="multiple"
            @click="handleDelete"
        >删除</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <!-- 数据展示表格 -->
    <el-table v-loading="loading" :data="brandList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column prop="name" label="品牌名称" width="200"/>
      <el-table-column prop="logo" label="品牌图标" #default="scope" >
        <img :src="scope.row.logo" alt="" style="width: 50px"/>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)">修改</el-button>
          <el-button link type="danger" icon="Delete" @click="handleDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页条组件 -->
    <!--
    <pagination
        v-show="total > 0"
        :total="total"
    />
    -->

    <pagination
        v-show="total > 0"
        :total="total"
        v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize"
        @pagination="getList"
    />

    <!--  新增或修改分类品牌对话框  -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form :model="form" ref="brandRef" label-width="80px" :rules="rules">
        <el-form-item label="品牌名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入品牌名称"/>
        </el-form-item>
        <el-form-item label="品牌图标" prop="logo">
          <el-upload
            class="avatar-uploader"
            :action="imgUpload.url"
            :headers="imgUpload.headers"
            :show-file-list="false"
            :on-success="handleAvatarSuccess"
            >
            <img v-if="form.logo" :src="form.logo" class="avatar" />
            <el-icon v-else class="avatar-uploader-icon" >
              <Plus />
            </el-icon>
          </el-upload>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>


<script setup name="Brand">

//引入api接口
import {listBrand, addBrand, getBrand, updateBrand, delBrand} from "@/api/product/brand.js";
import {getToken} from "@/utils/auth.js";
//引入ElMessage组件
import {ElMessage, ElMessageBox} from "element-plus";
import RightToolbar from "@/components/RightToolbar/index.vue";


/* 模型定义区 */

const { proxy } = getCurrentInstance();

//定义分页列表数据模型

/*
const brandList = ref([
  {
    "createTime": "2024-01-09 10:15:05",
    "id": 1,
    "name": "华为",
    "logo": "http://139.198.127.41:9000/sph/20230506/华为.png"
  },
  {
    "createTime": "2024-01-19 10:15:05",
    "id": 2,
    "name": "小米",
    "logo": "http://139.198.127.41:9000/sph/20240202/xm.png"
  }
]);
*/
const brandList = ref([]);

//定义列表总记录数模型
const total = ref(0);

//加载数据时显示的动效控制模型
const loading = ref(true);

//新增与修改弹出对话框显示控制模型
const open = ref(false);
//新增与修改弹出对话框标题模型
const title = ref("");

//定义批量操作id列表模型
const ids = ref([]);
//定义单选控制模型
const single = ref(true);
//定义多选控制模型
const multiple = ref(true);

//定义隐藏搜索控制模型
const showSearch = ref(true);

//Vue3 中的两种响应式数据绑定方式: ref和reactive
//ref: 绑定基本数据类型,适用于简单的响应式数据
//reactive: 绑定复杂数据类型,适用于对象和数组
const data = reactive({
  //定义搜索模型
  queryParams: {
    pageNum: 1,
    pageSize: 20,
    name: null
  },
  form: {} ,
  imgUpload: {
    //设置上传的请求头部
    headers: {
      Authorization: "Bearer " + getToken()
    },
    url: import.meta.env.VITE_APP_BASE_API + "/file/upload"
  },
  //定义校验模型
  rules: {
    name: [{required: true, message: "品牌名称不能为空", trigger: "blur"}],
    logo: [{required: true, message: "品牌LOGO不能为空", trigger: "blur"}]
  }
});

//toRefs 是一个Vue3中提供的API，可将一个响应式对象转换为普通对象，其中属性变成了对原始对象属性的引用
const {queryParams,form,imgUpload,rules } = toRefs(data);



/** 获取品牌列表 */
function getList() {
  loading.value = true;
  listBrand(queryParams.value).then(response => {
    brandList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

/** 搜索按钮操作 */
function handleQuery() {
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  /*data.queryParams = {
    pageNum: 1,
    pageSize: 20,
    name: null
  };*/
  proxy.resetForm("queryRef");
  handleQuery();
}

//表单重置
function reset() {
  form.value = {
    id: null,
    name: null,
    logo: null
  };
  proxy.resetForm("brandRef");
}

//新增按钮操作
function handleAdd() {
  reset();
  open.value = true;
  title.value = '新增品牌';
}

//取消按钮操作
function cancel() {
  open.value = false;
  reset();
}

//修改按钮操作
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value;
  getBrand(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = '修改品牌';
  });
}


//提交按钮操作
function submitForm() {
  proxy.$refs["brandRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateBrand(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addBrand(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  })
}

//删除按钮操作
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除分类品牌编号为"' + _ids + '"的数据项？').then(function() {
    return delBrand(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

//多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

//上传
function handleAvatarSuccess(response, uploadFile) {
  console.log(response)
  console.log(uploadFile)
  form.value.logo = response.data.url
}

//执行查询品牌列表
getList()
</script>

<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>